dependencies {
implementation 'com.google.dagger:dagger:2.x'
implementation 'com.google.dagger:dagger-android:2.x'
annotationProcessor 'com.google.dagger:dagger-android-processor:2.x'
annotationProcessor 'com.google.dagger:dagger-compiler:2.x'
}
public class App extends Application {
private AppComponent appComponent;
@Override
public void onCreate() {
super.onCreate();
appComponent = DaggerAppComponent.builder()
.appModule(new AppModule(this))
.build();
}
public AppComponent getAppComponent() {
return appComponent;
}
}
@Module
public class AppModule {
private Application application;
public AppModule(Application application) {
this.application = application;
}
@Provides
@Singleton
Application provideApplication() {
return application;
}
}
public class MainActivity extends AppCompatActivity {
@Inject
Application application;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
((App) getApplicationContext())
.getAppComponent()
.inject(this);
}
}
@Singleton
@Component(modules = {AppModule.class})
public interface AppComponent {
void inject(MainActivity activity);
}
